Stove construction



STOVE CONSTRUCTION Filed Oct. 2, 1951 4Shets-Sheet 1 Feb. 19, 1935. 1.. MOORE ETAL STOVE coNs'rRUqTIofi 1 Filed 001' 2. 1951 4 Sheets-Sheet 2v Feb. 19, 1935. L MOORE r' O 1,991,513

STOVE CONSTRUCTION FiledOct. 2. 1931 4 Sheets-Sheet 4 Patented Feb. 19, 1935 s'rovE CONSTRUCTION 1 Lewis Moorea'nd Isaiah SIHolloway, Joliet,.Ill., 7

'assignor to Moore Brothers Company, Joliet, Ill.,'a corporation of Illinois e -1 :LAppIication'October 2, 1931, Serial N6. 566,468

Another important object of the invention the provision of a stove'of the circulating type,

the parts of which'may be {so constructed and arranged as to materially increase" the rate [of circulation of-ai r passing through the stove to be heated-and to increase also the rate of heating of the air passing through the stove.

The invention has fora further important object the provisionof a stove'bf improved appearance, andwhich will "occupy minimum space in the room to'be heated. 1

Another important object of the invention is the provision'of astove of the general character described, employing gas or other fluid fuel, the

parts of which will be so constructed and--ar-- ranged as to obtain maximum efiiciencyin mimimum space from the fuel consumedw Another important object of the invention is 3 the provision'in a stove of this generaljcliaracter of a-burner and pilot lig-ht"construction, con-' structed and arranged to insure continuation of the burning of the pilot light when the main burners are out off, except when deliberate extinguish- 3 ment of the'pilot light is desirable.

Numerous other objects and advantages ofthe I inventionwillbe apparent as it is better under-' stood from the following description, which,

drawings, discloses a preferred embodiment thereof." r

Referring to the'drawings, 7

Figure 1 is a perspective-view of a heating'unit of the stove embodying my present invention, v v e A i of the front to provide an air inlet at 34 around the casing'outline being indicated in section;

Fig'."-2 is a horizontal sectionthrough the stove and casing,-taken on theline 2 -2 of-Fig. 3;

Fig. 3 is a central verticalfront-to-back sec- 50 tional-view of the same;

burnerand pilot light control; and

Fig. 5isa detail vertical;. sectional view taken transversely of the casing and showing the baflles in the forward or front flue and the fuel communication in the rear flue space.

when taken in connection with the accompanying Fig. 4 is 3 detail perspective view'showing the:

1 01am. (cries-oer The stove shown 'on' the drawings is of general semi-circular outline inthe horizontalplane. It comprises primarily an outer circulating casing 11 and a'combined combustion and flue circulat- 7 ing 'organizationflflflThe casing of the stove 5 consists of a flat back wall 13, a vertical hemicylindrical front "wall 14, andja grill top 16, all mounted in a suitably constructed angle iron framework 17 adapted to hold-"the casing parts in their intended relation-and to support the combustio'n and flue assembly 12. I

"The'stove is preferably provided with'legs l8 for arrangingthe body 'of the stove above the floor; permitting upward circulation'of-air as will presently be described. v I I v In the embodimentof the-invention shown on the drawings, gas or otherflu'id fuel is suppliedtotwo burners 21' and 22, formed generally of arcuate form, as'illustrated in Fig. 2. These burnare are mounted within a combustion chamber which is or may be fornied'of avertic'alhemicylin drical front wall 23, extending throughout a great 'er 'partof the 'se'mi eircular arc of the stove front and terminating in inwardly extending parts 24 I forming portions or the end wa'll of the combus-' 25 tionchamber.

" At a {substantial dis'tanceabove the' burners,

; the-front wall extends inwardly at 25 to a verti cal 'wall 26 extendingup behind and spaced from the wall 14.- 21 rear wall'2'l coo'p'erates with the walls 25 and 26 to complete the combustion chamber and to form an upwardly extending front flue space 28 throughwhich the products of combustion circulate intheir-passage to the flue outlet of the stove." A

.--The wall 26 is'deflected outwardly at each end at 29 into connection at 31 with the adjacent el'dges'of the front'w'alls '23 and 26 and outwardly also at 32 at the top'into connection with an in- 26. I 1 The'front 'wall'23 of the'combustion chamber ispreferably arranged beyond or in front ofthe wall 14 and this Wall is cut away at'the lower part riali'm" I A plurality of brackets 37 (Fig. 3) are carried by the burner 21 and radiation elements 38 and v'vardly extending ort on 33 of the front flue wall 39 are supported upon these brackets in parallel inclined position from the burner 21 and rest against a top retaining bar, 41' suitably secured in place. Each radiation element 38 and 39 is of refractory material adapted to absorb and radiate heat and is provided with forwardly extending projections 42. Each element is also provided with a flange 43'adapted to rest against and engage the bar 41.

The burners are arranged through a burner plate 44 secured in a suitable opening in the righthand side wall of the combustion chamber (Fig. 4).

7 side the combustion chamber, as indicated at 45,

and each burner is adapted to'be controlled .by a

valve 46 having a valve handle 47 adapted to swing horizontally from closed to open position.

Fluid fuel is supplied to the burners through a dles 45 when the pilotlight valve is open and fuel delivered to provide the pilot flame. The plate 53 is so constructed and arranged that it can only be moved or swung up into closed. position when both of the valves 46 have been closedby ,movement of the handles 4'? around into parallelism with the burner plate 44. The valve handles may be reached for manipulation through an opening in the adjacent side of the casing of the stove,

which may, if desired,be closed with a suitable door.

pass up from the burner. In the instantembodi: ment of the invention a lower side baffle 61 ex tends in and upwardly from each sideof the flue space 28. A cross baffle62 is provided to-extend forwardly and upwardly from the ;rear;wall 27' a V of the flue space and aside baffle 63 is previded at each 'end of the combustion flue andis arranged in inclined position, as shownin Fig. 3, upwardly from the back wall. These several baffles are so arranged as to direct the. air combustion against the front wall 26of theflue-space 28.-

A rear heating cell or drum is provided to receive the products of combustion from a flue space 28 andto conduct them in a circuitous path to an outlet 65 adapted for connection to the chimney. This drum comprises a vertically arranged metal shell consisting of a front wall 66 and back wall 67 and top-and bottom walls 68 and .69.. Two communicating passageways, generally indicated by reference characters 71, are provided between the upper portions of the flue space and the drum 170, these passageways being formed by' flanges 72 in the walls 27 and nipples 73 connect ing the flanges with the interior of the top of the drum 70.

Within the drum 70 a metal baffle is provided to direct the products of combustiondownwardly to the bottom of the stoveand thus permit them to pass upwardly to the chimney outlet 65. This baffle comprises a metal partition. having vertioally arranged sides 74 extendingllp fromnear the bottom of the stove to above the outlet 65 and inclination is given the sides '74 of the baffle plate the drum, as indicated at '78. The air mixing chambers are arranged out- Bafiles are provided within; the, chamber to a retard and divert. the gases of vcombustion as they then inwardly angularly at 75 to an angle bend 76 at the top. The products of combustion pass upwardly through the drum 28 and are deflected constantly into contact with its front wall 26 in the circuitous path given them by the baffles 61; 62 and 63. At the top-they pass through the passageways 71 and down on each side of the battles. in the drum '70 to near the bottom andrthence up to the outlet. The drum 'lomay be narrower at. its bottom, as indicated at '77, and corresponding In the operation of the stove the front 23 becomes highly heated and direct radiation is accomplished from the front and through the agency of the radiants 38 and 39 this radiation penetratesand heats directly the lower portion of the-room and the air immediately adjacent the front wall 23 becoming'heated rises and passes through the opening between the casing 14 and the Wall 26 for circulation out through the grill top 16. The air is thus heated prior to its entry into the casing and the rate of circulation has therefore materially increased. I v

The baffles 61, 62 and 63 in directing the hot products of combustion against the walls 26 fur ther serve to heat this more rapidly circulating air. 1

In addition to the circulation just described, air is drawn from the room'into the bottom of the stove and passes up around the drum '70 and around the remainder of the combined combustion chamber and flue space, all, of course, passing out at the top of the stove. It will be apparent that the front portion of the stove and the air circulating through it is more highly heated than the rear portion of the. stove and that thestove may be locatedrelatively near to a wall of a room thereby effecting economy of space. The semicircular shape not only provides a stove of. pleas-. ing and improved appearance but, being devoid of angular corner pockets, accomplishedgreater efficiency of air heating and air circulation.

It is thought that the invention and many of.

its attendant advantages will be understood from the foregoing description, and it will be apparent that various. changes may be made in the form, construction and arrangement of the parts without departingfrom the spirit and scope of the invention or sacrificing all of its material advantages, the form hereinbefore described being a. preferred embodiment thereof.

Iclaim: y

A stove comprising a casing having .arear wall and a vertical substantially cylindrical wall forming the front and sides thereof and provided with an opening at the lower portion of its front, a combustion chamber disposed within saidcasing. and having a flue connected with the upper por tion thereof spaced rearwardly from said curved front wall, said combustion chamber having a vertical substantially cylindrical. lower front portion of substantially the same curvature as said front wall and extendingthrough said opening and forming a continuation of said sidesand in spaced relation to the upper edge of said; opening to provide an air inlet, said cylindrical lower-front portion of saidcombustion chamber. being D10 vided with transparent openings, and a. radiant heat organization in'said combustion chamber for LEWIS MOORE.

ISAIAH s. normwArlfl 

